Range from the cheapest installation of smart lighting £64 (T K Electrics based in EN1) to the dearest installation of smart lighting £124 (Moffat Electrical based in EN3).
Comparing electricians estimates for upgrading to smart lighting gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes to install smart lighting in EN3 by posting a job with HaMuch and we will send it to electricians in EN3.